Cutlass Ciera V6-3300 3.3L (1990)
Valve Cover Gasket: Technical Service Bulletins
Valve Cover/Gasket - Revised Replacement Procedure
NUMBER:
91-T-90
CORP.REF.NO: 136107
DATE:
April 1991
SECTION:
6A
SUBJECT:
SERVICE MANUAL UPDATE VALVE ROCKER COVER AND/OR GASKET REPLACEMENT PROCEDURE
MODELS/YEARS:
1990-91 CUTLASS CIERA/CUTLASS CRUISER
WITH 3300 ENGINE
The following Valve Rocker Cover and/or Gasket replacement procedure updates and replaces the current procedure found in the 1990-91 Cutlass
Ciera/Cruiser Service Manuals. Please mark a reference to this bulletin in your copy(s) of the 1990 Service Manual on page 6A6-8 and 1991 on page
6A6-13.
VALVE ROCKER COVER (RIGHT)
Remove or Disconnect:
1.
Negative battery cable.
2.
Serpentine belt.
3.
Power steering belt tensioner brace.
4.
Spark plug loom, wires and wire harness, set aside.
5.
Power steering pump retaining bolts to mounting bracket, slide pump forward.
6.
Retaining nuts and engine lift bracket assembly, set aside.
7.
Valve cover retaining bolts, valve cover and gasket.
Assembly Tips:
Clean the valve cover bolts of all thread locking adhesive. Apply thread lock compound, P/N 12345493, currently available from GMSPO or equivalent,
to bolt threads.
